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[New] Align no-deprecated rule with React 18 deprecations #3548

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merged 1 commit into from
Mar 14, 2023
Merged

[New] Align no-deprecated rule with React 18 deprecations #3548

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,14 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
### Added
* [`display-name`]: add `checkContextObjects` option ([#3529][] @JulesBlm)
* [`jsx-first-prop-new-line`]: add `multiprop` option ([#3533][] @haydncomley)
* [`no-deprecated`]: add React 18 deprecations ([#3548][] @sergei-startsev)

### Fixed
* [`no-array-index-key`]: consider flatMap ([#3530][] @k-yle)
* [`jsx-curly-brace-presence`]: handle single and only expression template literals ([#3538][] @taozhou-glean)
* [`no-unknown-property`]: allow `onLoad` on `source` (@ljharb)

[#3548]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3548
[#3538]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3538
[#3533]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3533
[#3530]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3530
Expand Down
25 changes: 24 additions & 1 deletion docs/rules/no-deprecated.md
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Expand Up @@ -36,19 +36,42 @@ import React, { PropTypes } from 'react';
componentWillMount() { }
componentWillReceiveProps() { }
componentWillUpdate() { }

// React 18 deprecations
import { render } from 'react-dom';
ReactDOM.render(<div></div>, container);

import { hydrate } from 'react-dom';
ReactDOM.hydrate(<div></div>, container);

import {unmountComponentAtNode} from 'react-dom';
ReactDOM.unmountComponentAtNode(container);

import { renderToNodeStream } from 'react-dom/server';
ReactDOMServer.renderToNodeStream(element);
```

Examples of **correct** code for this rule:

```jsx
// when React < 18
ReactDOM.render(<MyComponent />, root);
sergei-startsev marked this conversation as resolved.
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// When [1, {"react": "0.13.0"}]
// when React is < 0.14
ReactDOM.findDOMNode(this.refs.foo);

import { PropTypes } from 'prop-types';

UNSAFE_componentWillMount() { }
UNSAFE_componentWillReceiveProps() { }
UNSAFE_componentWillUpdate() { }

ReactDOM.createPortal(child, container);

import { createRoot } from 'react-dom/client';
const root = createRoot(container);
root.unmount();

import { hydrateRoot } from 'react-dom/client';
const root = hydrateRoot(container, <App/>);
```
25 changes: 25 additions & 0 deletions lib/rules/no-deprecated.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ const report = require('../util/report');
const MODULES = {
react: ['React'],
'react-addons-perf': ['ReactPerf', 'Perf'],
'react-dom': ['ReactDOM'],
'react-dom/server': ['ReactDOMServer'],
};

// ------------------------------------------------------------------------------
Expand Down Expand Up @@ -82,6 +84,29 @@ function getDeprecated(pragma) {
'https://reactjs.org/docs/react-component.html#unsafe_componentwillupdate. '
+ 'Use https://github.com/reactjs/react-codemod#rename-unsafe-lifecycles to automatically update your components.',
];
// 18.0.0
// https://reactjs.org/blog/2022/03/08/react-18-upgrade-guide.html#deprecations
deprecated['ReactDOM.render'] = [
'18.0.0',
'createRoot',
'https://reactjs.org/link/switch-to-createroot',
];
deprecated['ReactDOM.hydrate'] = [
'18.0.0',
'hydrateRoot',
'https://reactjs.org/link/switch-to-createroot',
];
deprecated['ReactDOM.unmountComponentAtNode'] = [
'18.0.0',
'root.unmount',
'https://reactjs.org/link/switch-to-createroot',
];
deprecated['ReactDOMServer.renderToNodeStream'] = [
'18.0.0',
'renderToPipeableStream',
'https://reactjs.org/docs/react-dom-server.html#rendertonodestream',
];

return deprecated;
}

Expand Down
126 changes: 124 additions & 2 deletions tests/lib/rules/no-deprecated.js
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Expand Up @@ -48,9 +48,9 @@ ruleTester.run('no-deprecated', rule, {
// Not deprecated
'var element = React.createElement(\'p\', {}, null);',
'var clone = React.cloneElement(element);',
'ReactDOM.render(element, container);',
'ReactDOM.unmountComponentAtNode(container);',
Comment on lines -51 to -52
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we should be able to keep these test cases with the react version set to 17.999.999

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Added one more test to cover this scenario.

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I meant, keep the "valid" tests cases, because these remain valid in react < 18.

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I meant, keep the "valid" cases, because these remain valid in react < 18.

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You cannot leave it where it was before, React version isn't specified there.

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right - i mean, edit the existing rule to add the react version, so that "a passing test for ReactDOM.render" remains

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React version can be specified using eslint settings.react.version property which is demonstrated in the added tests. Introducing multiple sources to determine React version doesn't seem like a good idea to me.

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@ljharb Is there anything else that prevents the PR from being merged? I believe the requested scenario has been covered:

eslint-plugin-react/tests/lib/rules/no-deprecated.js

Lines 122 to 132 in 1375bd1

// React < 18
{
code: `
import { render, hydrate } from 'react-dom';
import { renderToNodeStream } from 'react-dom/server';
ReactDOM.render(element, container);
ReactDOM.unmountComponentAtNode(container);
ReactDOMServer.renderToNodeStream(element);
`,
settings: { react: { version: '17.999.999' } },
},

'ReactDOM.cloneElement(child, container);',
'ReactDOM.findDOMNode(instance);',
'ReactDOM.createPortal(child, container);',
'ReactDOMServer.renderToString(element);',
'ReactDOMServer.renderToStaticMarkup(element);',
{
Expand Down Expand Up @@ -119,6 +119,40 @@ ruleTester.run('no-deprecated', rule, {
let { default: defaultReactExport, ...allReactExports } = React;
`,
},
// React < 18
{
code: `
import { render, hydrate } from 'react-dom';
import { renderToNodeStream } from 'react-dom/server';
ReactDOM.render(element, container);
ReactDOM.unmountComponentAtNode(container);
ReactDOMServer.renderToNodeStream(element);
`,
settings: { react: { version: '17.999.999' } },
},
// React 18 API
{
code: `
import ReactDOM, { createRoot } from 'react-dom/client';
ReactDOM.createRoot(container);
const root = createRoot(container);
root.unmount();
`,
},
{
code: `
import ReactDOM, { hydrateRoot } from 'react-dom/client';
ReactDOM.hydrateRoot(container, <App/>);
hydrateRoot(container, <App/>);
`,
},
{
code: `
import ReactDOMServer, { renderToPipeableStream } from 'react-dom/server';
ReactDOMServer.renderToPipeableStream(<App />, {});
renderToPipeableStream(<App />, {});
`,
},
]),

invalid: parsers.all([
Expand Down Expand Up @@ -454,5 +488,93 @@ ruleTester.run('no-deprecated', rule, {
),
],
},
{
code: `
import { render } from 'react-dom';
ReactDOM.render(<div></div>, container);
`,
errors: [
errorMessage(
'ReactDOM.render',
'18.0.0',
'createRoot',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'ImportDeclaration', line: 2, column: 9 }
),
errorMessage(
'ReactDOM.render',
'18.0.0',
'createRoot',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'MemberExpression', line: 3, column: 9 }
),
],
},
{
code: `
import { hydrate } from 'react-dom';
ReactDOM.hydrate(<div></div>, container);
`,
errors: [
errorMessage(
'ReactDOM.hydrate',
'18.0.0',
'hydrateRoot',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'ImportDeclaration', line: 2, column: 9 }
),
errorMessage(
'ReactDOM.hydrate',
'18.0.0',
'hydrateRoot',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'MemberExpression', line: 3, column: 9 }
),
],
},
{
code: `
import { unmountComponentAtNode } from 'react-dom';
ReactDOM.unmountComponentAtNode(container);
`,
errors: [
errorMessage(
'ReactDOM.unmountComponentAtNode',
'18.0.0',
'root.unmount',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'ImportDeclaration', line: 2, column: 9 }
),
errorMessage(
'ReactDOM.unmountComponentAtNode',
'18.0.0',
'root.unmount',
'https://reactjs.org/link/switch-to-createroot',
{ type: 'MemberExpression', line: 3, column: 9 }
),
],
},
{
code: `
import { renderToNodeStream } from 'react-dom/server';
ReactDOMServer.renderToNodeStream(element);
`,
errors: [
errorMessage(
'ReactDOMServer.renderToNodeStream',
'18.0.0',
'renderToPipeableStream',
'https://reactjs.org/docs/react-dom-server.html#rendertonodestream',
{ type: 'ImportDeclaration', line: 2, column: 9 }
),
errorMessage(
'ReactDOMServer.renderToNodeStream',
'18.0.0',
'renderToPipeableStream',
'https://reactjs.org/docs/react-dom-server.html#rendertonodestream',
{ type: 'MemberExpression', line: 3, column: 9 }
),
],
},
]),
});